Flat-iron heater.



SARAH A. HARING, OF CHICAGO, ILLINOIS.

FLAT-IRON HEATER.

Specification of Letters Patent. Application flled September 22, 1909.

974,137. Patented Nov. 1, 1910.

Serial N0. 518,933.

.To all whom z't may concem: the uter casing is an inner bottomless cas- Be it known that I, SARAH A. HARING, 1'11g8 frusto-conical in outline but having its n citizen 0f the Unitecl States, residing at inclined Walls 9 uniformly spaced from the Chicago, in the county 0f Cook und Stat 0f lateral Walls 01 the outer casing, except at Illino1s, have invented a new ancl 1.1Seful tl1ei1 lower xtremities, which' are turned F latIron Heater, 0f which the following is outvvardly t0 form a peripheral flange 10 f01 a specification. engagement with the inner Walls 0f the My invention relates to flat iron heaters outer casing. By this construction an air and .lzas forlts object t0 provide a devie 0f chzunbe1 11 is formed between the Walls 0f 10 this character having an outer 0pen botthe outer und inner casings, and the heat tomed casing that Will rest directly up0n the ri ing fr th b r r t r ed i wardly by burner grid of an oil 01' gas st0ve ancl fonn the flange 10 anal inclined Walls 9 onto the a closure f01 the flat iron supportefl 11p011 Hat irons so filmt the greater portions of the said burne1 1id. side Walls ancl t0p of the outer casing Will 15 AIIOIEI 0 jCt 18 t0 PI'OV1dB 21 dVlC- Of b3 prgvgnted from absorbjng heat The in- 13111S character thatwill have a bafile disposed ner casing thus serves a5 a baffle to direct above the flat irons contained n he 0 1 the heat upon the irons and prevent needless casing to direct the l1eat upon the. irons and Waste'0f gas in heating the outer casing. prevent the absorption of heat by the outer Th inner falls d t f th b jfl 20 CaSill ing 8 are lined With a non-conductive ele- A urther ob ect is t0 ppov1 de a dev1ce 0f ment 12 which may be secured in position in thiS character having vent1lat1ng tllb8S leadgmy desired 1nannr. Asbestos i5 preferably 'ing fr0m the bafl1e t0 the a m p r Q used for the lining element as it can be made by to perrnit of the escape of the heat r1s1ng t0 1'earlily conform t0 the outline of the cas- 25 from the burner. ing and is easily secured in posit-ion.

l-Vith the above advantages und other ob- F securing th baffle withi th guter jects in view my inventmn en1braces the (j315'i11g a 1 1ity ()f b 13 am i rt d novel details 0f construction and combina i 1i' d annula1& ni f r ed in the tions 0f parts illustrated in th accomp nyt0p Walls of both casings. The terminals 30 ing drawings, described in t f0110wi11g of each tube project beyond the t0ps 0f the sf ecificafion and sei: forth in the pp n casings, the lower terminal being provided c aims. With a peripheral retaining fiange 14 which In the accompanying drawings: F1gure 1 engages the under surface of the top 0f the is a plan view of a flat iron heater c baflle casing and the upper terminal being 35 structed in accordance with my invent1o n Screw thr ad d fr n a m t with a re- Fig. 2 is a longitudinal sectional view 0f n1y taining nut 15 which bears upon the upper improved.heater, also illustrating a port1on surface Cf th t r asi By ti hbenmg of a gas stove, with Which I pref r t0 11 the the nuts 15 on the tubes 13, the baflle casing heater. Fig. 3 is an undernelch VieW Of he will be drawn upward in the outer casing 40 flat iron heater. until the peripheral rim 10 0f the fo rmer Like characters of reference designat snugly engages the inner Walls of the outer similar parts in'tl1e views shown. casing so as t0 form a sufllciently tight joint Referring DOW to the drawing, the 111'1- therebetween to prevent the escape of heat 1nera'l 5 designates the outer cas1n Wh int0 the air chamber 11 before it has circa- 45 is preferably frusto-conical in out ine and lated around the fiat irons. The tubes 13 18 0 en at the bottom, the, l.ower edges of' afford passage-ways through which the the ateral Walls. 6 01 the casing being proheatrising in the baflle casmg may escape vided With an annular bead 7 for contact into the atmosphere, a circulation of heat With the burner grid. The outer casin currents thereby being formed which Will 50 forms aclosure for the flat irons su porte eflectively heat the irons in lass time an d upon the burner grid and permits tlle heat therefore, with a less amount of gas than 1s to strike each ortion of the irons direct, possible in-the unventilated flat 1ron heaters thus obviating the waste of heat ordinarily as usually constructed. It is thus seen that absorbed by the bottom of flat iron heaters the tubes perform the double function of 55 as hithe1to constructed. Arranged within hangers and ventila.tors for the baflle cas1ng 

